return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for FNO2 (Nitryl fluoride)

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-304.903123
Energy at 298.15K-304.905377
HF Energy-304.903123
Nuclear repulsion energy123.437927
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1380 1332 169.88      
2 A1 863 832 203.44      
3 A1 609 588 37.26      
4 B1 775 747 12.58      
5 B2 1871 1805 429.08      
6 B2 580 559 3.13      

Unscaled Zero Point Vibrational Energy (zpe) 3038.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2931.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/6-31G(2df,p)
ABC
0.44121 0.38585 0.20584

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.181
F2 0.000 0.000 1.266
O3 0.000 1.093 -0.633
O4 0.000 -1.093 -0.633

Atom - Atom Distances (Å)
  N1 F2 O3 O4
N11.44741.18241.1824
F21.44742.19072.1907
O31.18242.19072.1858
O41.18242.19072.1858

picture of Nitryl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 O3 112.434 F2 N1 O4 112.434
O3 N1 O4 135.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.752      
2 F -0.186      
3 O -0.283      
4 O -0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.117 0.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.810 0.000 0.000
y 0.000 -21.945 0.000
z 0.000 0.000 -21.179
Traceless
 xyz
x 2.752 0.000 0.000
y 0.000 -1.950 0.000
z 0.000 0.000 -0.802
Polar
3z2-r2-1.603
x2-y23.135
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.578 0.000 0.000
y 0.000 3.539 0.000
z 0.000 0.000 2.997


<r2> (average value of r2) Å2
<r2> 53.063
(<r2>)1/2 7.284